Harper Woods, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harper Woods, a city in Wayne County, Michigan.
This Afternoon
72°F
Partly Sunny
Partly sunny, with a high near 72. Northeast wind around 12 mph.
7-day forecast for Harper Woods
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Partly Sunny | 12 mph NE | 0% |
| Tonight | 57°F | Mostly Cloudy | 5 to 12 mph NE | 13% |
| Saturday | 69°F | Rain Showers | 5 to 9 mph E | 80% |
| Saturday Night | 58°F | Chance Showers And Thunderstorms | 5 to 9 mph E | 83% |
| Sunday | 68°F | Rain Showers Likely | 7 to 13 mph NNE | 57% |
| Sunday Night | 54°F | Chance Rain Showers then Mostly Cloudy | 13 mph NE | 48% |
| Monday | 66°F | Slight Chance Rain Showers | 14 mph NE | 15% |
| Monday Night | 51°F | Mostly Cloudy | 13 to 16 mph NE | 13% |
| Tuesday | 64°F | Slight Chance Rain Showers | 15 mph NE | 21% |
| Tuesday Night | 54°F | Chance Rain Showers | 16 mph NE | 51% |
| Wednesday | 64°F | Chance Rain Showers | 15 mph ENE | 51% |
| Wednesday Night | 54°F | Chance Showers And Thunderstorms | 8 to 13 mph ENE | 51% |
| Thursday | 66°F | Slight Chance Showers And Thunderstorms | 10 mph NE | 20% |
| Thursday Night | 54°F | Mostly Cloudy | 6 to 9 mph NNE | 11% |
Forecast source: National Weather Service (api.weather.gov) for Harper Woods (42.439, -82.929). Updated through the day.
Growing snapshot for Harper Woods
Last spring frost
Apr 29
First fall frost
Oct 22
Growing season
176 days
Hardiness zone
6b
More local growing data for Harper Woods: nearby ZIP 48225 weather · frost dates · planting calendar · Michigan frost dates
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Climate data from the nearest NOAA station, Grosse Pointe Farms, Mi (3 mi from Harper Woods). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.